Edit the Postfix’s main.cf file and add the following line (or uncomment it):
header_checks = regexp:/etc/postfix/header_checks
Create /etc/postfix/header_checks file and add the following line:
/^subject:/ WARN
Finally, reload/restart Postfix. From now on there will be a “warrning: header subject” in your maillog.
You can find them here: http://interactive.fusion.net/dirty-little-secrets/
In order to fix the wired looking (small) font of Caprine for Windows you just have to change (add) the “zoomFactor” parameter in ressources\app\index.js right after webPreferences:
zoomFactor: 1.2,
Save the file and re-run the app. The font should be readable now.
More about Caprine – https://github.com/sindresorhus/caprine
Here’s a simple way to change your default MTA on CentOS:
# alternatives --config mta There are 2 programs which provide 'mta'. Selection Command ----------------------------------------------- *+ 1 /usr/sbin/sendmail.sendmail 2 /usr/sbin/sendmail.ssmtp Enter to keep the current selection[+], or type selection number: 2 # sendmail -V sSMTP 2.61 (Not sendmail at all)
pip freeze --local | grep -v '^\-e' | cut -d = -f 1 | xargs pip install -U